#include <windows.h>
#include <share.h>
#include <io.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "libfmemopen.h"
/* https://github.com/Arryboom/fmemopen_windows  */

FILE *fmemopen(void *buf, size_t len, const char *type) {
    int fd;
    FILE *fp;
    char tp[MAX_PATH - 13];
    char fn[MAX_PATH + 1];
    int *pfd = &fd;
    int retner = -1;
    char tfname[] = "MemTF_";
    if (!GetTempPathA(sizeof(tp), tp))
        return NULL;
    if (!GetTempFileNameA(tp, tfname, 0, fn))
        return NULL;
    retner = _sopen_s(pfd, fn, _O_CREAT | _O_SHORT_LIVED | _O_TEMPORARY | _O_RDWR | _O_BINARY | _O_NOINHERIT, _SH_DENYRW, _S_IREAD | _S_IWRITE);
    if (retner != 0)
        return NULL;
    if (fd == -1)
        return NULL;
    fp = _fdopen(fd, "wb+");
    if (!fp) {
        _close(fd);
        return NULL;
    }
    /*File descriptors passed into _fdopen are owned by the returned FILE * stream.If _fdopen is successful, do not call _close on the file descriptor.Calling fclose on the returned FILE * also closes the file descriptor.*/
    fwrite(buf, len, 1, fp);
    rewind(fp);
    return fp;
}
